Is a^2+3b-2a^2 = 3a^2+3b-4a^2

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

Need same math paper but the back now i hope your able to read it cleary i need with hw